CN105489294A - Power cable equipped with corrosion-resistant layers - Google Patents
Power cable equipped with corrosion-resistant layers Download PDFInfo
- Publication number
- CN105489294A CN105489294A CN201510965752.6A CN201510965752A CN105489294A CN 105489294 A CN105489294 A CN 105489294A CN 201510965752 A CN201510965752 A CN 201510965752A CN 105489294 A CN105489294 A CN 105489294A
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- China
- Prior art keywords
- layer
- power cable
- corrosion
- cable
- corrosion layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
Abstract
The invention provides a power cable equipped with corrosion-resistant layers. The cable shell comprises a first corrosion-resistant layer and a first shield layer, wherein the first corrosion-resistant layer is made from a transparent material or a non-transparent material, and used as the outermost layer of the cable shell; the first shield layer is arranged on the inner surface of the first corrosion-resistant layer; the power cable also comprises a power cable identifying region, wherein the power cable identifying region comprises a second shield layer, an identifying layer and a second corrosion-resistant layer; the second shield layer is arranged close to power cable cores, and connected with the first shield layer; the identifying layer is arranged on the surface of the second shield layer; the second corrosion-resistant layer is arranged on the surface of the identifying layer; and the second corrosion-resistant layer adopts a transparent structure. According to the power cable, the identifying layer is arranged in the interior of the power cable; the outer surface of the power cable is provided with the corrosion-resistant layers; and the corrosion-resistant layer corresponding to the identifying layer is transparent, so that the cable can be well protected, and the cable identifier is clear and visible.
Description
Technical field
The present invention relates to a kind of power cable technical field for electric power, particularly relate to a kind of power cable with anti-corrosion layer.
Background technology
Power cable is the cable for transmitting and distribute electric energy, and power cable is usually used in Urban Underground electrical network, power station lead line, industrial and mining enterprises' in-line power and power transmission line under crossing river seawater.In power circuit, cable proportion increases just gradually.Power cable is the cable product in order to transmission and distribution high-power power in the basic routing line of electric power system, comprises 1-500KV and above various electric pressure, the power cable of various insulation.
The basic structure of power cable is made up of core (conductor), insulating barrier, screen and protective layer four part.Core is the current-carrying part of power cable, is used for transmission of electric energy, is the major part of power cable.Insulating barrier is isolated from each other between core and the earth and out of phase core on electrically, and ensureing power delivery, is indispensable part in power cable structure.15KV and above power cable generally have conductor shield and insulation screen.The effect of protective layer is protection power cable from the intrusion of introduced contaminants and moisture, and prevents external force from directly damaging power cable.Insulating barrier, screen and protective layer form the sheath of protection core jointly.
In prior art, the tag slot of cable is arranged at the outer surface of shell substantially, the word of such cable tag slot in long use procedure will be lost, some parameters making it cable be can not determine, the bad environments of a lot of cable use in addition, shell is easily corroded, and is that cable bad can not use.In sum, be necessary to provide a kind of tag slot wear-resisting and corrosion resistant power cable.
Summary of the invention
Based on this, be necessary to provide a kind of power cable with anti-corrosion layer to solve these technical problems.
Technical solution of the present invention is as follows: a kind of power cable with anti-corrosion layer, comprises power cable body, it is characterized in that, described power cable body comprises cable jacket and power cable core, and described cable jacket comprises:
First anti-corrosion layer, described first anti-corrosion layer is transparent material or is non-transparent material, and as cable jacket outermost layer;
First screen, described first screen is located at described first anti-corrosion layer inner surface;
Described cable jacket is also provided with power cable tag slot, and described power cable tag slot is made up of secondary shielding layer, label layer and the second anti-corrosion layer;
Described secondary shielding layer is arranged near power cable core, and connects described first screen; Described label layer is provided with described secondary shielding layer surface, and described second anti-corrosion layer is arranged at described label layer surface, and described second anti-corrosion layer is transparent configuration.
Wherein in an embodiment, be also provided with drying layer between described label layer and described second anti-corrosion layer, described drying layer is hyaline layer.
Wherein in an embodiment, described first shielding thickness is 800 μm ~ 1.8mm, described secondary shielding layer thickness be described first shielding thickness 1/2 to 2/3 between.
Wherein in an embodiment, be provided with word in described tag slot, described word is made up of reflectorized material, makes word reflective under the condition of illumination.
Wherein in an embodiment, described drying layer thickness is 500 μm ~ 800 μm.
Wherein in an embodiment, described label layer is formed by evaporation mode; Described drying layer is formed by evaporation mode.
Wherein in an embodiment, described power cable core is at least four.
Wherein in an embodiment, described first screen and described secondary shielding layer are metal mesh structure.
Beneficial effect of the present invention:
A kind of power cable with anti-corrosion layer provided by the invention; described power cable inside is provided with label layer; outer surface is provided with anti-corrosion layer; and anti-corrosion layer corresponding to described label layer is transparence; and be provided with transparent drying layer; word can be made so more permanent, while can protecting cable very well, cable identification also can be enable so high-visible.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is a kind of power cable structure schematic diagram with anti-corrosion layer of the present invention;
To be that the present invention is a kind of have another kind of structural representation in the power cable of anti-corrosion layer to Fig. 2.
Embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Better embodiment of the present invention is given in accompanying drawing.But the present invention can be realized by many different forms, execution mode described below being not limited to.On the contrary, provide the object of these execution modes be make to disclosure of the present invention understand more thorough comprehensively.
It should be noted that, when element is called as " being arranged at " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique execution mode.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention just in order to describe concrete execution mode, is not intended to be restriction the present invention.Term as used herein "and/or" comprises arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, a kind of power cable with anti-corrosion layer, comprise power cable body 10, it is characterized in that, described power cable body 10 comprises cable jacket and power cable core 102, described cable jacket comprises: the first anti-corrosion layer 100, and described first anti-corrosion layer 100 is transparent material or is non-transparent material, and as cable jacket outermost layer; First screen 101, described first screen 101 is located at described first anti-corrosion layer 100 inner surface; Described cable jacket is also provided with power cable tag slot, and described power cable tag slot is made up of secondary shielding layer 103, label layer 104 and the second anti-corrosion layer 105; Described secondary shielding layer 103 is arranged near power cable core 102, and connects described first screen 101; Described label layer 104 is provided with described secondary shielding layer 103 surface, and described second anti-corrosion layer 105 is arranged at described label layer 104 surface, and described second anti-corrosion layer 105 is transparent configuration.
A kind of power cable with anti-corrosion layer provided by the invention; described power cable inside is provided with label layer; outer surface is provided with anti-corrosion layer; and anti-corrosion layer corresponding to described label layer is transparence; and be provided with transparent drying layer; word can be made so more permanent, while can protecting cable very well, cable identification also can be enable so high-visible.
In order to the cable identification district word that increases electric power keeps the longer time effectively, as shown in Figure 2, wherein, be also provided with drying layer 106 between described label layer 104 and described second anti-corrosion layer 105, described drying layer 106 is hyaline layer.
In order to ensure the function of the shielded signal of power cable, wherein, described first screen 101 thickness is 800 μm ~ 1.8mm, described secondary shielding layer 103 thickness be described first screen 101 thickness 1/2 to 2/3 between.
Owing to better can see the information state of power cable under the condition that illumination is not very good, wherein, be provided with word in described tag slot 104, described word is made up of reflectorized material, makes word reflective under the condition of illumination.
Due to the circumstance complication that power cable uses, long-time use in order to ensure that label layer keeps better more clear more permanent, but ensures transparency again, and wherein, described drying layer 106 thickness is 500 μm ~ 800 μm.
In order to make label layer and drying layer, adhesiveness is better each other, and wherein, described label layer 104 is formed by evaporation mode; Described drying layer 106 is formed by evaporation mode.
Another preferred version, described power cable core 102 is at least four.
Another preferred version, described first screen 101 and described secondary shielding layer 103 are metal mesh structure.
Except as otherwise noted, all scopes all comprise all numerals between end points and end points." approximately " or " being similar to " that use together with scope is suitable for two end points of this scope.Thus, " about 20 to 30 " are intended to cover " about 20 to about 30 ", at least comprise the end points indicated.
The all articles disclosed and reference, comprising patent application and publication, being incorporated into this for various purposes by quoting.Describe combination term " substantially by ... form " determined element, composition, parts or step should be comprised and not affect in fact other elements of basic novel feature of this combination, composition, parts or step.The combination of element, composition, parts or the step that term " comprises " or " comprising " describes here is used also to contemplate the execution mode be substantially made up of these elements, composition, parts or step.Here by use term " can ", be intended to illustrate " can " described any attribute of comprising is all optional.
Multiple element, composition, parts or step can be provided by single integrated component, composition, parts or step.Alternatively, single integrated component, composition, parts or step can be divided into multiple elements of separation, composition, parts or step.Be used for describing the open "a" or "an" of element, composition, parts or step and do not say element, composition, parts or step in order to get rid of other.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail by reference to the accompanying drawings above to the specific embodiment of the present invention.A lot of detail has been set forth so that fully understand the present invention in superincumbent description.But the present invention can be much different from above-described alternate manner to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, and therefore the present invention is by the restriction of disclosed specific embodiment above.And, each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. have a power cable for anti-corrosion layer, comprise power cable body (10), it is characterized in that, described power cable body (10) comprises cable jacket and power cable core (102), and described cable jacket comprises:
First anti-corrosion layer (100), described first anti-corrosion layer (100) is for transparent material or be non-transparent material, and as cable jacket outermost layer;
First screen (101), described first screen (101) is located at described first anti-corrosion layer (100) inner surface;
Described cable jacket is also provided with power cable tag slot, and described power cable tag slot is made up of secondary shielding layer (103), label layer (104) and the second anti-corrosion layer (105);
Described secondary shielding layer (103) is arranged near power cable core (102), and connects described first screen (101); Described label layer (104) is provided with described secondary shielding layer (103) surface, and described second anti-corrosion layer (105) is arranged at described label layer (104) surface, and described second anti-corrosion layer (105) is transparent configuration.
2. have the power cable of anti-corrosion layer as claimed in claim 1, it is characterized in that, be also provided with drying layer (106) between described label layer (104) and described second anti-corrosion layer (105), described drying layer (106) is hyaline layer.
3. there is the power cable of anti-corrosion layer as claimed in claim 2, it is characterized in that, described first screen (101) thickness is 800 μm ~ 1.8mm, described secondary shielding layer (103) thickness be described first screen (101) thickness 1/2 to 2/3 between.
4. have the power cable of anti-corrosion layer as claimed in claim 1, it is characterized in that, described tag slot is provided with word in (104), and described word is made up of reflectorized material, makes word reflective under the condition of illumination.
5. have the power cable of anti-corrosion layer as claimed in claim 2, it is characterized in that, described drying layer (106) thickness is 500 μm ~ 800 μm.
6. have the power cable of anti-corrosion layer as claimed in claim 5, it is characterized in that, described label layer (104) is formed by evaporation mode; Described drying layer (106) is formed by evaporation mode.
7. have the power cable of anti-corrosion layer as claimed in claim 1, it is characterized in that, described power cable core (102) is at least four.
8. have the power cable of anti-corrosion layer as claimed in claim 1, it is characterized in that, described first screen (101) and described secondary shielding layer (103) are metal mesh structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965752.6A CN105489294B (en) | 2015-12-22 | 2015-12-22 | A kind of power cable with anti-corrosion layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510965752.6A CN105489294B (en) | 2015-12-22 | 2015-12-22 | A kind of power cable with anti-corrosion layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105489294A true CN105489294A (en) | 2016-04-13 |
| CN105489294B CN105489294B (en) | 2017-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510965752.6A Active CN105489294B (en) | 2015-12-22 | 2015-12-22 | A kind of power cable with anti-corrosion layer |
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| Country | Link |
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| CN (1) | CN105489294B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785108A (en) * | 2016-08-26 | 2018-03-09 | 天津山旗线缆有限公司 | A kind of anticorrosive power cable |
| CN112366029A (en) * | 2020-10-29 | 2021-02-12 | 浙江一舟电子科技股份有限公司 | Special-shaped shielding cable and manufacturing method thereof |
Citations (7)
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|---|---|---|---|---|
| JPH11167821A (en) * | 1997-12-05 | 1999-06-22 | Toyokuni Densen Kk | Cable |
| JP2007273267A (en) * | 2006-03-31 | 2007-10-18 | Hitachi Cable Ltd | Luminescent cable |
| CN202142331U (en) * | 2011-07-06 | 2012-02-08 | 戎大琴 | Clinometer cable |
| CN202473399U (en) * | 2011-07-02 | 2012-10-03 | 魏长海 | Shielded wire rod |
| CN103258591A (en) * | 2013-04-26 | 2013-08-21 | 朱勇 | Light reflection type caution cable |
| CN204010811U (en) * | 2014-07-11 | 2014-12-10 | 宋凯 | A kind of telecommunication cable with screen and drying layer |
| CN204614524U (en) * | 2015-05-23 | 2015-09-02 | 徐月苗 | A kind of shield type stretch-proof moistureproof power cable |
-
2015
- 2015-12-22 CN CN201510965752.6A patent/CN105489294B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11167821A (en) * | 1997-12-05 | 1999-06-22 | Toyokuni Densen Kk | Cable |
| JP2007273267A (en) * | 2006-03-31 | 2007-10-18 | Hitachi Cable Ltd | Luminescent cable |
| CN202473399U (en) * | 2011-07-02 | 2012-10-03 | 魏长海 | Shielded wire rod |
| CN202142331U (en) * | 2011-07-06 | 2012-02-08 | 戎大琴 | Clinometer cable |
| CN103258591A (en) * | 2013-04-26 | 2013-08-21 | 朱勇 | Light reflection type caution cable |
| CN204010811U (en) * | 2014-07-11 | 2014-12-10 | 宋凯 | A kind of telecommunication cable with screen and drying layer |
| CN204614524U (en) * | 2015-05-23 | 2015-09-02 | 徐月苗 | A kind of shield type stretch-proof moistureproof power cable |
Non-Patent Citations (1)
| Title |
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| 廖双泉 等: "《热塑性弹性体及其应用》", 30 April 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785108A (en) * | 2016-08-26 | 2018-03-09 | 天津山旗线缆有限公司 | A kind of anticorrosive power cable |
| CN112366029A (en) * | 2020-10-29 | 2021-02-12 | 浙江一舟电子科技股份有限公司 | Special-shaped shielding cable and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105489294B (en) | 2017-08-29 |
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